I-shaped oral device



FIG. 1 is a perspective view of the I-shaped oral device of our design;

FIG. 2 is a right side elevation view thereof, the left side being identical thereto;

FIG. 3 is a front elevation view thereof ; the left side being identical thereto;

FIG. 4 is a top plan view thereof, the bottom plan view being identical thereto. 

The ornamental design for an I-shaped oral device, as shown and described. 